Definition of 逆回転 (ぎゃくかいてん)
ぎゃくかいてん
                        逆回転
ぎゃくかいてん
gyakukaiten
noun
•
        
spinning the opposite way, backspin (tennis, baseball), counter
Related Kanji
| 逆 | inverted, reverse, opposite, wicked | 
| 回 | -times, round, game, revolve, counter for occurrences | 
| 転 | revolve, turn around, change |